1) Material:carbon,alloy or stainless steel 2).high quality Forgings 3) What you want are what we pursuit Productroller shaftCertificateISO9001 :2000MaterialCarbon,alloy or stainless steel as you requestTechnicsopen die forgingMachining servicesforging, heat treatment, precise machiningTime cost of machining 20 day/pcStandard/NonstandardNonstandardTechnis standardGB,JIS,ANSI,etc.Companies we're ...